A combination of time and frequency synchronization with Doppler compensation for coded OFDM-based UWA systems

被引：0

作者：

Hoai Linh Nguyen Thi ^{[1
]}

Quoc Khuong Nguyen ^{[1
]}

Van Duc Nguyen ^{[1
]}

机构：

[1] Hanoi Univ Sci & Technol, Wireless Commun Lab, Sch Elect & Elect Engn, Hanoi, Vietnam

来源：

2023 ASIA PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE, APSIPA ASC | 2023年

关键词：

OFDM; underwater acoustic (UWA); Forward Error Correction (FEC); Doppler compensation; non-uniform FFT; CHANNEL ESTIMATION;

D O I：

10.1109/APSIPAASC58517.2023.10317502

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

The paper proposes a combination of time and frequency synchronization with Doppler compensation for coded OFDM-based UWA systems. In addition, we use a soft-decision for M-QAM schemes and Viterbi decoding to enhance the system's performance. A novel pilot arrangement scheme is proposed to mitigate inter-carrier and intersymbol interference. The simulation results show that the system performance obtained by the proposed concept significantly outperforms the state-of-the-art methods.

引用

页码：1304 / 1309

页数：6

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